android: dumpsys

dumpsys is tool in android device. You can use this tool to dump system information.

• dumpsys meminfo displays memory usage 
• dumpsys cpuinfo displays processor usage 
• dumpsys account displays information on all accounts
• dumpsys activity displays information about activities
• dumpsys window displays information about keyboards, windows and their z order
• dumpsys wifi shows information about available access points and current connection

The parameters may have below:
SurfaceFlinger, accessibility, account, activity, alarm, appwidget, audio, backup, battery, batteryinfo, bluetooth, bluetooth_a2dp, clipboard, connectivity, content, cpuinfo, device_policy, devicestoragemonitor, diskstats, dropbox, entropy, hardware, hdmi, input_method, iphonesubinfo, isms, location, media.audio_flinger, media.audio_policy, media.camera, media.player, meminfo, mount, netstat, network_management, notification, package, permission, phone, power, search, sensor, simphonebook, statusbar, telephony.registry, throttle, uimode, usagestats, vibrator, wallpaper, wifi, window